public class Main {
    public static void main(String[] args) {
        Petdog dogh = new Petdog();
        dogh.name = "阿黄";
        dogh.color = "黑黄";
        dogh.barks();
        dogh.wag();

        Petdog dogs = new Petdog();
        dogs.name = "赛虎";
        dogs.color = "橘色";
        dogs.barks();
        dogs.wag();

    }
}
